)]}'
{
  "commit": "dfbd76bda01e804a66c3750193f5e766e4e4cf62",
  "tree": "4ac4d54878c4e6198ec6cc478562be650eba3f50",
  "parents": [
    "eede47656b0cc9c3cff8e1959a6f3d55402f3283"
  ],
  "author": {
    "name": "Tobias Stadler",
    "email": "mail@stadler-tobias.de",
    "time": "Mon Sep 22 16:41:39 2025 +0100"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Mon Sep 22 16:41:39 2025 +0100"
  },
  "message": "[Remarks] Restructure bitstream remarks to be fully standalone (#156715)\n\nCurrently there are two serialization modes for bitstream Remarks:\nstandalone and separate. The separate mode splits remark metadata (e.g.\nthe string table) from actual remark data. The metadata is written into\nthe object file by the AsmPrinter, while the remark data is stored in a\nseparate remarks file. This means we can\u0027t use bitstream remarks with\ntools like opt that don\u0027t generate an object file. Also, it is confusing\nto post-process bitstream remarks files, because only the standalone\nfiles can be read by llvm-remarkutil. We always need to use dsymutil\nto convert the separate files to standalone files, which only works for\nMachO. It is not possible for clang/opt to directly emit bitstream\nremark files in standalone mode, because the string table can only be\nserialized after all remarks were emitted.\n\nTherefore, this change completely removes the separate serialization\nmode. Instead, the remark string table is now always written to the end\nof the remarks file. This requires us to tell the serializer when to\nfinalize remark serialization. This automatically happens when the\nserializer goes out of scope. However, often the remark file goes out of\nscope before the serializer is destroyed. To diagnose this, I have added\nan assert to alert users that they need to explicitly call\nfinalizeLLVMOptimizationRemarks.\n\nThis change paves the way for further improvements to the remark\ninfrastructure, including more tooling (e.g. #159784), size optimizations\nfor bitstream remarks, and more.\n\nPull Request: https://github.com/llvm/llvm-project/pull/156715\n",
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